TAILIEUCHUNG - OCA /OCP Oracle Database 11g A ll-in-One Exam Guide- P14

OCA /OCP Oracle Database 11g A ll-in-One Exam Guide- P14:There is an ever increasing demand for staff with IT industry certification. The benefits to employers are significant—they can be certain that staff have a certain level of competence—and the benefits to the individuals, in terms of demand for their services, are equally great. Many employers are now requiring technical staff to have certifications, and many IT purchasers will not buy from firms that do not have certified staff. | OCA OCP Oracle Database 11g All-in-One Exam Guide 86 database controlfile. At this stage the controlfile does not exist this parameter will tell the instance where to create it. Some of the other parameters are self-explanatory and can be easily related back to the options taken when going through the steps of the exercise but eventually you must refer to the Oracle Documentation Library the volume you need is titled Reference and read up on all of them. All Those necessary for examination purposes will be described at the appropriate point. EXAM TIP What is the only instance parameter for which there is no default It is DB_NAME. A parameter file must exist with at least this one parameter or you cannot start an instance. The DB_NAME can be up to eight characters long letters and digits only beginning with a letter. The Database Creation Shell Script This is the file the DBCA executes to launch the database creation process. It is a batch file on Windows and a shell script on Linux. A Windows example mkdir D oracle app mkdir D oracle app admin ocp11g adump mkdir D oracle app admin ocp11g dpdump mkdir D oracle app admin ocp11g pfile mkdir D oracle app cfgtoollogs dbca ocp11g mkdir D oracle app flash_recovery_area mkdir D oracle app oradata ocp11g mkdir D oracle app product db_3 database set ORACLE_SID ocp11g set PATH ORACLE_HOME bin PATH D oracle app product db_3 bin -new -sid OCP11G -startmode manual -spfile D oracle app product db_3 bin -edit -sid OCP11G -startmode auto -srvcstart system D oracle app product db_3 bin sqlplus nolog @D oracle app admin db11g scripts First the script creates a few directories in the Oracle Base. Then it sets the ORACLE_SID environment variable more of this later and prepends the ORACLE_ HOME bin directory to the search path. The two commands that use will not appear on a Linux system. On Windows an Oracle instance runs as a Windows service. This service must be .

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